Fluctuation and dissipation in de Sitter space
arXiv:1404.0347 · doi:10.1007/JHEP08(2014)028
Abstract
In this paper we study some thermal properties of quantum field theories in de Sitter space by means of holographic techniques. We focus on the static patch of de Sitter and assume that the quantum fields are in the standard Bunch-Davies vacuum. More specifically, we follow the stochastic motion of a massive charged particle due to its interaction with Hawking radiation. The process is described in terms of the theory of Brownian motion in inhomogeneous media and its associated Langevin dynamics. At late times, we find that the particle undergoes a regime of slow diffusion and never reaches the horizon, in stark contrast to the usual random walk behavior at finite temperature. Nevertheless, the fluctuation-dissipation theorem is found to hold at all times.
1+45 pages, 5 figures. v4: matches published version
References in corpus (30)
- Minkowski-space correlators in AdS/CFT correspondence: recipe and applications
- Energy loss of a heavy quark moving through N=4 supersymmetric Yang-Mills plasma
- Drag force in AdS/CFT
- Calculating the Jet Quenching Parameter from AdS/CFT
- Schwinger-Keldysh Propagators from AdS/CFT Correspondence
- Momentum fluctuations of heavy quarks in the gauge-string duality
- Black hole information, unitarity, and nonlocality
- Micromanaging de Sitter holography
- A Holographic Framework for Eternal Inflation
- Thermal Noise and Stochastic Strings in AdS/CFT
- Holographic models of de Sitter QFTs
- Langevin diffusion of heavy quarks in non-conformal holographic backgrounds
- Stochastic trailing string and Langevin dynamics from AdS/CFT
- Quantum Fluctuations in Holographic Theories with Hyperscaling Violation
- Instantaneous Thermalization in Holographic Plasmas
- Generalized Lorentz-Dirac Equation for a Strongly-Coupled Gauge Theory
- A Holographic Dual of CFT with Flavor on de Sitter Space
- Real time response on dS_3: the Topological AdS Black Hole and the Bubble
- On Bubbles of Nothing in AdS/CFT
- Holographic Brownian Motion in Magnetic Environments
- Prediction of a Photon Peak in Heavy Ion Collisions
- Gauge theory in de Sitter space-time from a holographic model
- Holographic (De)confinement Transitions in Cosmological Backgrounds
- Flavor quarks in AdS4 and gauge/gravity correspondence
- Relativistic Fluctuation Theorems: Theory and explicit examples
- Holographic Friedmann Equation and 4 SYM theory
- Holographic de Sitter Universe
- Drift, Drag and Brownian motion in the Davies-Unruh bath
- Thermal property in Brownian motion of a particle coupled to vacuum fluctuations
- Langevin diffusion in holographic backgrounds with hyperscaling violation
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- Holographic influence functional and its application to decoherence induced by quantum critical theories
- Feeling de Sitter
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